STC SR00864DE

FEDERA AVIATIO United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SR00864DE This certificate issued to: Concorde Battery Corporation 2009 W. San Bernardino Road West Covina, CA 91790 Part 27 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: H3WE Make: MDHI (Hughes) Model: 369D, 369E, 369F. 369FF. 500N. 600N Description of Type Design Change:

Installation of Concorde Battery Corporation 24 Ah VRLA Main Battery in accordance with Document No. 5- 0607, Master Drawing List, MD Helicopters 369/500/600 Battery Upgrade, Revision NC dated 6/1/2017, FAA approved 9/4/2017 or later FAA approved revision. Instructions for Continued Airworthiness (ICA), Document No. 5-0610, Revision A dated 5/31/17, FAA Accepted 8/31/2017, or later FAA accepted revision are required to be made available at installation. FAA Approved Rotorcraft Flight Manual Supplement, Document No. 5- 0609, Revision IR dated 4/11/2017 FAA Approved 8/31/2017, or later FAA approved revision is required for this modification.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

(Certification Basis on page 3 of 3)

Date of Application: May 31, 2017 Date Reissued:

Date of Issuance: September 4. 2017 Date Amended:

By Direction of the Administrator Signature Kreg R. Voorhies Title ODA Administrator, Cert Works ODA(AIR)-833887-NM (Ref. 14 CFR 21.120). propeller. The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. The FAA will reissue the certificate in the name of the transferee and forward it to him.

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number. SROO864DE To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

Signature of grantor.

The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder.

FAA Form 8110-2 (5/14) Page 2 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SR00864DE Date of Issuance: September 4, 2017 Certification Basis:

Based on 14 CFR $§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the MDHI (Hughes) 369D, 369E. 369F. 369FF. 500N, 600N rotorcraft as follows:

a. The type certification basis for MDHI (Hughes) 369D. 369E, 369F. 369FF. 500N. 600N rotorcraft is shown on TCDS H3WE for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, November 29, 2016, is based upon 14 CFR Part 27, effective February 1, 1965 plus Amendments 27-1 through 27-30, plus later amendments for certain regulations, as defined per the TCDS. Based on 14 CFR §§ 21.115 and

21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the TCDS Certification Basis (Part 27, Amendments 27-1 through 27-30):

14 CFR Sections: 27.301 Amdt. - ; 27.303 Amdt. - ; 27.305(a) Amdt. - ; 27.307(a) Amdt. 27-26;

27.337(a) Amdt. 27-26; 27.341 Amdt. - ; 27.561(c) Amdt. - ; 27.601(a) Amdt. - ; 27.603 Amdt. 27-16;

27.605(a) Amdt. 27-16; 27.609(a) Amdt. - ; 27.610 Amdt. 27-21; 27.611 Amdt. - ; 27.613 Amdt. 27- 26; 27.619(b)(1) Amdt. - ; 27.625(a) Amdt. - ; 27.1301 Amdt. - ; 27.1309a,c,d Amdt. 27-21;

27.1351(b)(1)(i,ii) Amdt. 27-13; 27.1353(a-e) Amdt. 27-14; 27.1529 Amdt. 27-18; 27.1581 Amdt. 27- 14; 27.1585 Amdt. 27-21 END or both. (Ref. 14 CFR 21,120).

FAA Form 8110-2 (5/14) Page 3 of 3